This article introduced emphatically the control strategy, position detection and identification, drive technique as well as main circuit of permanent magnet Ac servo system.
重点介绍了永磁交流伺服系统的控制策略，位置检测和辨识、主电路和驱动技术等关键技术。
2
SVC(TND)SERIES single phase high precision full automatic ac voltage regulator composable of contact auto voltage regulator, servo motor automatic controlcircuit etc.
系列单相高精度全自动交流稳压器，由接触式自耦调压伺服式电动机、自动控制电路等组成。
3
Auxiliary signal generator (AC) is a part of many controlcircuit of ion trap mass spectrograph.